Hello sir.first of all you need to understand the disease you are suffering from is a viral infection which may be contagious .you have to take proper precautions and maintain hygiene too..ex:use separate bedsheet,towel and handkerchief.so that no one around you will not get infected. Coming to the medicinal part-take Aciclovir (zovirax)oral solution 5 ml  for twice a day..apply calamine lotion on the areas affected.. and you will better soon !get well soon👍